CN116101983B - Process and device for recycling industrial waste sulfuric acid - Google Patents
Process and device for recycling industrial waste sulfuric acid Download PDFInfo
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- CN116101983B CN116101983B CN202310235359.6A CN202310235359A CN116101983B CN 116101983 B CN116101983 B CN 116101983B CN 202310235359 A CN202310235359 A CN 202310235359A CN 116101983 B CN116101983 B CN 116101983B
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- connecting mechanism
- stirring
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- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 238000004064 recycling Methods 0.000 title claims abstract description 18
- 239000002440 industrial waste Substances 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 116
- 238000003860 storage Methods 0.000 claims abstract description 86
- 238000003756 stirring Methods 0.000 claims abstract description 47
- 239000002699 waste material Substances 0.000 claims abstract description 37
- 239000002253 acid Substances 0.000 claims abstract description 36
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000005192 partition Methods 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 15
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 14
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 14
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 12
- 239000012452 mother liquor Substances 0.000 claims description 12
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 11
- ISWSIDIOOBJBQZ-UHFFFAOYSA-M phenolate Chemical compound [O-]C1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-M 0.000 claims description 9
- 229940031826 phenolate Drugs 0.000 claims description 9
- 238000009826 distribution Methods 0.000 claims description 5
- 239000011259 mixed solution Substances 0.000 claims description 4
- 238000006386 neutralization reaction Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000010306 acid treatment Methods 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract description 2
- 229910021529 ammonia Inorganic materials 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000001035 drying Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 230000029936 alkylation Effects 0.000 description 1
- 238000005804 alkylation reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006396 nitration reaction Methods 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006277 sulfonation reaction Methods 0.000 description 1
- 235000010215 titanium dioxide Nutrition 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/90—Separation; Purification
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/20—External fittings
- B65D25/24—External fittings for spacing bases of containers from supporting surfaces, e.g. legs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/90—Separation; Purification
- C01B17/905—Removal of organic impurities
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/24—Sulfates of ammonium
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention discloses a process and a device for recycling industrial waste sulfuric acid, which relate to the technical field of waste acid treatment and comprise the following steps: the upper side of the sliding rail is provided with a driving base; the conveying frame and the adding tank are sequentially arranged on the upper side of the sliding rail along the moving direction of the driving base; the storage box is arranged on the upper side of the driving base, sequentially passes through the conveying frame and the adding tank based on the driving base, a plurality of driving mechanisms are arranged in the storage box, and a stirring structure is arranged at the output end of each driving mechanism; the side face of the conveying frame is provided with a first connecting mechanism, and ammonia gas is conveyed into the storage box through the first connecting mechanism when the storage box passes through. Compared with the prior art, the waste acid storage device has the advantages that waste acid is respectively contained in the storage boxes, and the storage boxes sequentially pass through the conveying frame and the adding tank, so that the waste acid with a large quantity can be divided into small batches to be sequentially reacted and recovered, and the reaction and recovery efficiency of the waste acid can be improved.
Description
Technical Field
The invention relates to the technical field of waste acid treatment, in particular to a process and a device for recycling industrial waste sulfuric acid.
Background
The waste sulfuric acid is produced in the industrial production, the waste acid or produced in the processes of nitration, esterification, sulfonation, alkylation, catalysis, gas drying and the like of organic matters, or produced in the processes of titanium white production, steel pickling, gas drying and the like, and the existing waste sulfuric acid has the problems of wide sources, larger total amount and lower concentration;
In the waste acid treatment process of a coking plant, if the waste acid is recycled, the adsorbent is expensive and has the problem of great pollution.
According to the method, ammonia gas is introduced into waste acid to react with sulfuric acid to generate ammonium sulfate, then organic matters in the waste acid neutralization solution are extracted by using phenol oil, and the organic matters are separated to obtain ammonium sulfate mother liquor, so that the ammonium sulfate mother liquor can be used for producing ammonium sulfate, and the phenol oil can be directly sold as a product after being recycled to be saturated.
In the prior art, when the waste sulfuric acid is recycled, the separated acid solution and the reaction substances are difficult to separate, and when more waste acid is treated, the standing time is long, so that the treatment efficiency is low.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a process and a device for recycling and regenerating industrial waste sulfuric acid.
In order to achieve the above purpose, the present invention provides the following technical solutions: the device for recycling the industrial waste sulfuric acid comprises a sliding rail, a conveying frame and an adding tank, wherein the conveying frame and the adding tank are erected on the upper side of the sliding rail;
a driving base is arranged on the upper side of the sliding rail, and a storage box is arranged on the upper side of the driving base;
The side surface of the conveying frame is provided with a first connecting mechanism, the first connecting mechanism slides along the outer side of the conveying frame, and the first connecting mechanism is provided with a part with the same moving track as the storage box;
when the storage box moves along the same part of the movement track of the first connecting mechanism, the storage box is connected with the output end of the first connecting mechanism and is used for continuously introducing ammonia into the first connecting mechanism;
The second connecting mechanism is arranged at the bottom end of the adding tank, is positioned at the upper side of the moving track of the storage tank, and after the storage tank is disconnected with the first connecting mechanism, the storage tank moves to the lower side of the adding tank and is communicated with the second connecting mechanism, and the second connecting mechanism conveys the phenolate oil in the adding tank into the storage tank;
After the phenol oil is conveyed, the storage tank is disconnected with the adding tank, the storage tank is driven to continuously move along the sliding rail through the driving base, and finally standing and layering are carried out.
Further, the first connecting mechanism and the second connecting mechanism comprise connecting pipes, the side surfaces of the connecting pipes are fixedly connected with second air cylinders, and the lower sides of the connecting pipes are slidingly connected with sliding pipes; the output end of the second cylinder is connected with the part of the sliding pipe, which is positioned outside the connecting pipe;
When the second cylinder is started, the sliding pipe slides along the connecting pipe;
And the two groups of connecting pipes are internally provided with communication control mechanisms which are used for controlling the communication state of the inner parts of the connecting pipes and adjusting between communication and non-communication.
Further, the connecting pipe in the second connecting mechanism is connected and communicated with the adding tank;
And the top end of the connecting pipe in the first connecting mechanism is provided with a sealing driving frame which is used for sliding along the outer side of the conveying frame and is communicated with the conveying frame.
Further, the bin includes first group's vanning, and first equipment case is used for holding the spent acid that waits to handle, the upper side sliding connection of first group's vanning has the second group case, and the outside fixedly connected with a plurality of first cylinders of first group case, the output butt of first cylinder is in one side of second group case, supports it.
Further, a first partition plate is arranged at the bottom end of the second assembly box, and a plurality of driving mechanisms penetrating through the first partition plate are arranged in the second assembly box;
And the output end of each driving mechanism is provided with a stirring structure.
The second assembly box separates different mediums after layering internal waste acid through the first separation plate;
When inputting ammonia, stirring structure descends the inside spent acid of first equipment case and stirs at actuating mechanism's drive.
Further, the driving mechanism comprises a driving motor connected with the second assembly box, a first travel mechanism is installed at the output end of the driving motor, a second travel mechanism is installed at the output end of the first travel mechanism, and the output end of the second travel mechanism is connected with the stirring structure.
Further, the stirring structure comprises a connecting piece connected with the output end of the driving mechanism, and a plurality of stirring pieces are rotatably connected to the side surface of the connecting piece;
When the driving mechanism is started, the stirring piece is unfolded under the centrifugal action, so that the stirring range is enlarged;
When the driving mechanism stops working, the stirring piece is in a sagging state and is used for conveniently passing through the first partition plate.
Further, the first partition plate comprises a plate body, a plurality of through grooves are formed in the plate body, and the distribution positions of the through grooves are the same as those of the stirring structures;
a sealing groove is formed in the inner part of the plate body and close to the through groove, and an equipment groove is formed in one side of the inner part of the plate body and close to the sealing groove;
A telescopic mechanism is arranged in each equipment groove, and a separator extending into the corresponding sealing groove is arranged at the output end of the telescopic mechanism;
When the liquid in the storage tank needs to be layered, the heights of the second assembly tank and the first partition plate are adjusted through the first air cylinder, and the liquid is layered through the first partition plate.
The invention also discloses a process for recycling the industrial waste sulfuric acid, which comprises the following steps:
step one: conveying the waste acid to a storage box, and sequentially moving the storage box to the lower sides of a conveying frame and an adding tank along a sliding rail through a driving base;
Step two: after the storage box moves to the lower side of the conveying frame, the first connecting mechanism is assembled and communicated with the storage box, and ammonia gas is conveyed into the storage box;
step three: simultaneously starting a driving mechanism, descending the stirring structure into the waste acid in the storage tank, and stirring the waste acid once to obtain waste acid neutralization liquid;
step four: after the storage tank is separated from the first connecting mechanism, the storage tank moves to the lower side of the adding tank, is assembled and communicated with the second connecting mechanism, the adding tank conveys the phenol oil into the storage tank through the second connecting mechanism to obtain mixed liquid, and then the adding tank is separated from the storage tank;
step five: starting a driving mechanism, stirring the mixed solution for the second time through a stirring structure, then moving a storage box to a standing area through a driving base, and obtaining layered ammonium sulfate mother liquor and phenol oil after the mixed solution stands;
Step six: based on the layering height of the ammonium sulfate mother liquor and the phenol oil, a first cylinder in the storage tank is started, the height of the first partition plate is adjusted, and finally the first partition plate is started to separate the ammonium sulfate mother liquor and the phenol oil and separate a second assembly box in the storage tank from the first assembly box.
Compared with the prior art, the invention has the following beneficial effects:
compared with the prior art, the waste acid is respectively contained in the storage tanks, and the storage tanks sequentially pass through the conveying frame and the adding tank, so that the waste acid with a large quantity can be divided into small batches to be sequentially reacted and recovered, and the reaction and recovery efficiency of the waste acid can be improved;
on the other hand, the storage box can continuously pour ammonia into the storage box through the first connecting mechanism in the process of moving to the adding tank, and the primary stirring is finished in the moving process, so that the processing efficiency can be improved;
further, the first set of bins and the second set of bins in the storage tank may be separated, and after the spent acid within the storage tank has been stratified, the reactants of the different layers may be separately recovered.
Drawings
FIG. 1 is a schematic structural view of an apparatus for recycling industrial waste sulfuric acid;
FIG. 2 is a partial side cross-sectional view of a carriage in the apparatus for recycling industrial spent sulfuric acid of the present invention;
FIG. 3 is a cross-sectional view of a storage tank in the apparatus for recycling industrial waste sulfuric acid of the present invention;
FIG. 4 is an enlarged view of the portion A of FIG. 3 in accordance with the present invention;
FIG. 5 is a partial cross-sectional view of a first divider plate in the apparatus for recycling industrial spent sulfuric acid of the present invention;
In the figure: 1. a slide rail; 2. a driving base; 3. a carriage; 4. a first connection mechanism; 5. a storage tank; 6. a first set of bins; 7. a first cylinder; 8.a second set of bins; 9. a first communication pipe; 10. a second communicating pipe; 11. an addition tank; 12. a second connection mechanism; 13. a first partition plate; 14. a driving mechanism; 15. a stirring structure; 41. sealing the driving frame; 42. a connecting pipe; 43. a sliding tube; 44. a second cylinder; 45. a communication control mechanism; 141. a driving motor; 142. a first travel mechanism; 143. a second travel mechanism; 151. a connecting piece; 152. a stirring member; 131. a plate body; 132. a through groove; 133. sealing grooves; 134. an equipment tank; 135. a telescoping mechanism; 136. a partition.
Detailed Description
Referring to fig. 1 to 5, an apparatus for recycling industrial waste sulfuric acid comprises a rail 1, a carriage 3 and an addition tank 11, wherein the carriage 3 and the addition tank 11 are installed on the upper side of the rail 1;
a driving base 2 is arranged on the upper side of the sliding rail 1, and a storage box 5 is arranged on the upper side of the driving base 2;
the side surface of the conveying frame 3 is provided with a first connecting mechanism 4, the first connecting mechanism 4 slides along the outer side of the conveying frame 3, and the first connecting mechanism 4 is provided with a part with the same moving track as the storage box 5;
When the storage box 5 moves along the same position as the movement track of the first connecting mechanism 4, the storage box is connected with the output end of the first connecting mechanism 4 and is used for continuously introducing ammonia into the first connecting mechanism 4;
The second connecting mechanism 12 is arranged at the bottom end of the adding tank 11, the second connecting mechanism 12 is positioned at the upper side of the moving track of the storage tank 5, after the storage tank 5 is disconnected with the first connecting mechanism 4, the storage tank 5 moves to the lower side of the adding tank 11 and is communicated with the second connecting mechanism 12, and the second connecting mechanism 12 conveys the phenolate oil in the adding tank 11 into the storage tank 5;
After the transfer of the phenolate oil, the storage tank 5 is disconnected from the addition tank 11 and continues to move along the slide rail 1 by driving the base 2, and finally, the standing delamination is performed.
Referring to fig. 1 and 2, each of the first and second connection mechanisms 4 and 12 includes a connection pipe 42, a second cylinder 44 is fixedly connected to a side surface of the connection pipe 42, and a sliding pipe 43 is slidingly connected to a lower side of the connection pipe 42; the output end of the second cylinder 44 is connected with a part of the sliding tube 43 located outside the connecting tube 42;
When the second cylinder 44 is activated, the sliding tube 43 is slid along the connecting tube 42;
The communication control mechanism 45 is mounted in each of the two sets of connection pipes 42, and the communication control mechanism 45 is used for controlling the communication state of the connection pipes 42, and adjusting between communication and non-communication.
The connection pipe 42 in the second connection mechanism 12 is connected to and communicates with the addition tank 11;
The seal driving frame 41 is mounted on the top end of the connecting pipe 42 in the first connecting mechanism 4, and the seal driving frame 41 is used for sliding along the outer side of the conveying frame 3 and is in a communicating state with the conveying frame 3.
Referring to fig. 1 and 3, the storage tank 5 includes a first set of bins 6, the first set of bins 6 are used for containing waste acid to be treated, a second set of bins 8 are slidingly connected to the upper side of the first set of bins 6, a plurality of first cylinders 7 are fixedly connected to the outer sides of the first set of bins 6, and the output ends of the first cylinders 7 are connected to the side surfaces of the second set of bins 8 and are used for controlling the depth of the second set of bins 8 in the first set of bins 6.
The upper side of the second group box 8 is fixedly connected with a first communicating pipe 9 and a second communicating pipe 10 which are adjacently distributed, and the first communicating pipe 9 and the second communicating pipe 10 are respectively connected with a first connecting mechanism 4 and a second connecting mechanism 12.
The bottom end of the second group of boxes 8 is provided with a first division plate 13, and the inside of the second group of boxes 8 is provided with a plurality of driving mechanisms 14 penetrating through the first division plate 13;
the output end of each driving mechanism 14 is provided with a stirring structure 15.
The second group of boxes 8 separate different media after the internal waste acid is layered by the first separation plate 13;
When ammonia gas is input, the stirring structure 15 is driven by the driving mechanism 14 to descend the waste acid in the first group of boxes 6 for stirring.
The driving mechanism 14 comprises a driving motor 141 connected with the second assembly box 8, a first travel mechanism 142 is arranged at the output end of the driving motor 141, a second travel mechanism 143 is arranged at the output end of the first travel mechanism 142, and the output end of the second travel mechanism 143 is connected with the stirring structure 15;
By providing a double travel mechanism, the travel of the stirring structure 15 can be increased, thereby facilitating the movement of the stirring structure 15 from the first set of bins 6 to the second set of bins 8.
Referring to fig. 4, the stirring structure 15 includes a connecting member 151 connected to an output end of the driving mechanism 14, and a plurality of stirring members 152 are rotatably connected to a side surface of the connecting member 151;
when the driving mechanism 14 is started, the stirring piece 152 is unfolded under the centrifugal action to enlarge the stirring range;
When the driving mechanism 14 stops operating, the stirring member 152 is in a drooping state for facilitating passage through the first partition plate 13.
Referring to fig. 5, the first partition plate 13 includes a plate body 131, and a plurality of through grooves 132 are formed in the plate body 131, and the distribution positions of the through grooves 132 are the same as the distribution positions of the plurality of stirring structures 15;
a sealing groove 133 is formed in the plate body 131 and close to the through groove 132, and an equipment groove 134 is formed in one side of the plate body 131 and close to the sealing groove 133;
a telescopic mechanism 135 is arranged in each equipment groove 134, and a separator 136 extending into the corresponding sealing groove 133 is arranged at the output end of the telescopic mechanism 135;
When it is necessary to layer the liquid inside the storage tank 5, the height of the second set of tanks 8 and the first partition plate 13 is adjusted by the first cylinder 7, and the liquid is layered by the first partition plate 13.
Working principle:
Delivering the waste acid into a first set of bins 6 in a storage tank 5, wherein the height of the waste acid is four fifths of the height of the first set of bins 6, and sequentially moving the storage tank 5 to the lower sides of a conveying frame 3 and an adding tank 11 along a sliding rail 1 by driving a base 2;
After the storage box 5 moves to the lower side of the conveying frame 3, the first connecting mechanism 4 is assembled and communicated with the storage box 5, and ammonia gas is conveyed into the storage box 5;
at the time of assembly, the second cylinder 44 in the first connecting mechanism 4 is activated to lower the sliding tube 43 along the connecting tube 42 until being connected with the first connecting tube 9 at the top of the storage tank 5, then the communication control mechanism 45 is activated to communicate the seal driving frame 41 with the sliding tube 43 and to convey ammonia gas from the seal driving frame 41 into the storage tank 5;
simultaneously starting a first travel mechanism 142 and a second travel mechanism 143 in the driving mechanism 14, descending the stirring structure 15 into the waste acid in the storage tank 5, and then starting a driving motor 141 to drive the stirring structure 15 to rotate, and stirring the waste acid once to obtain waste acid neutralization liquid;
After the storage tank 5 is separated from the first connecting mechanism 4, the storage tank 5 is moved to the lower side of the adding tank 11 through the driving base 2, the second communicating pipe 10 at the top of the storage tank 5 is assembled and communicated with the second connecting mechanism 12, the adding tank 11 conveys the phenolate oil into the storage tank 5 through the second connecting mechanism 12 to obtain mixed liquid, and then the adding tank 11 is separated from the storage tank 5;
starting a driving mechanism 14, stirring the mixed liquid for the second time through a stirring structure 15 when the storage tank 5 moves, then moving the storage tank 5 to a standing area through a driving base 2, and obtaining layered ammonium sulfate mother liquor and phenol oil after the mixed liquid stands;
The stirring structure 15 is then reset and raised inside the second set of boxes 8;
Starting a first cylinder 7 in a storage tank 5 based on the layering height of ammonium sulfate mother liquor and phenolate oil, driving a second set of boxes 8 to move along a first set of boxes 6, adjusting the height of a first division plate 13 until the first division plate 13 is adjusted to the position 10cm above the layering position of the ammonium sulfate mother liquor and the phenolate oil, finally starting a telescopic mechanism 135 in the first division plate 13, separating a through groove 132 through a sealing groove 133, separating the ammonium sulfate mother liquor from the phenolate oil, and finally separating the second set of boxes 8 in the storage tank 5 from the first set of boxes 6;
Finally, the top of the first group of boxes 6 is sealed.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to those skilled in the art without departing from the principles of the present invention are intended to be considered as protecting the scope of the present template.
Claims (6)
1. An apparatus for recycling industrial waste sulfuric acid, comprising:
The upper side of the sliding rail (1) is provided with a driving base (2);
The conveying frame (3) and the adding tank (11) are sequentially arranged on the upper side of the sliding rail (1) along the moving direction of the driving base (2);
The storage box (5) is arranged on the upper side of the driving base (2) and sequentially passes through the conveying frame (3) and the adding tank (11) based on the driving base (2);
The storage box (5) comprises a first group of boxes (6), the first group of boxes (6) are used for containing waste acid to be treated, a second group of boxes (8) are connected to the upper side of the first group of boxes (6) in a sliding manner, a plurality of first cylinders (7) are fixedly connected to the outer sides of the first group of boxes (6), and the output ends of the first cylinders (7) are connected with the side faces of the second group of boxes (8);
The upper side of the second assembly box (8) is fixedly connected with a first communicating pipe (9) and a second communicating pipe (10) which are adjacently distributed, and the first communicating pipe (9) and the second communicating pipe (10) are respectively connected with a first connecting mechanism (4) and a second connecting mechanism (12);
The bottom end of the second group of boxes (8) is provided with a first division plate (13), and a plurality of driving mechanisms (14) penetrating through the first division plate (13) are arranged in the second group of boxes (8);
the output end of each driving mechanism (14) is provided with a stirring structure (15);
The second group of boxes (8) separates different mediums after layering the internal waste acid through a first separation plate (13);
When ammonia gas is input, the stirring structure (15) drives the driving mechanism (14) to descend the waste acid in the first group of boxes (6) for stirring;
The first separation plate (13) comprises a plate body (131), a plurality of through grooves (132) are formed in the plate body (131), and the distribution positions of the through grooves (132) are the same as the distribution positions of the stirring structures (15);
A sealing groove (133) is formed in the plate body (131) and close to the through groove (132), and an equipment groove (134) is formed in one side, close to the sealing groove (133), of the plate body (131);
a telescopic mechanism (135) is arranged in each equipment groove (134), and a separator (136) extending into the corresponding sealing groove (133) is arranged at the output end of the telescopic mechanism (135);
The side surface of the conveying frame (3) is provided with a first connecting mechanism (4), and when the storage box (5) passes through, ammonia gas is conveyed into the storage box (5) through the first connecting mechanism (4);
The second connecting mechanism (12) is arranged at the bottom end of the adding tank (11), and when the storage tank (5) is positioned at the lower side of the adding tank (11), the phenolate oil is conveyed into the storage tank (5) through the second connecting mechanism (12).
2. An apparatus for recycling industrial waste sulfuric acid according to claim 1, characterized in that the driving mechanism (14) comprises a driving motor (141) connected with the second set of boxes (8), a first travel mechanism (142) is installed at the output end of the driving motor (141), and a second travel mechanism (143) is installed at the output end of the first travel mechanism (142).
3. The device for recycling industrial waste sulfuric acid according to claim 2, characterized in that the stirring structure (15) comprises a connecting piece (151) connected with the output end of the driving mechanism (14), and a plurality of stirring pieces (152) are rotatably connected to the side surface of the connecting piece (151);
When the driving mechanism (14) is started, the stirring piece (152) is unfolded under the centrifugal action.
4. An apparatus for recycling industrial waste sulfuric acid according to claim 1, characterized in that the first connecting mechanism (4) and the second connecting mechanism (12) each comprise a connecting pipe (42), the side surface of the connecting pipe (42) is fixedly connected with a second cylinder (44), and the lower side of the connecting pipe (42) is connected with a sliding pipe (43); the output end of the second cylinder (44) is connected with a part of the sliding pipe (43) positioned outside the connecting pipe (42);
And the inside of each of the two groups of connecting pipes (42) is provided with a communication control mechanism (45) for controlling the communication state of the corresponding connecting pipe (42).
5. An apparatus for recycling industrial waste sulfuric acid according to claim 4, characterized in that the connecting pipe (42) in the second connecting means (12) is connected and communicated with the adding tank (11);
The top end of a connecting pipe (42) in the first connecting mechanism (4) is provided with a sealing driving frame (41), and the sealing driving frame (41) is used for sliding along the outer side of the conveying frame (3) and is kept in a communicating state with the conveying frame (3).
6. The process for recycling the industrial waste sulfuric acid is characterized by comprising the following steps of:
step one: delivering spent acid to a storage tank (5) in the device of any one of claims 1 to 5, and sequentially moving the storage tank (5) to the lower sides of a conveying frame (3) and an adding tank (11) along a sliding rail (1) by a driving base (2);
step two: after the storage box (5) moves to the lower side of the conveying frame (3), the first connecting mechanism (4) is assembled and communicated with the storage box (5), and ammonia gas is conveyed into the storage box (5);
step three: simultaneously starting a driving mechanism (14), lowering a stirring structure (15) into the waste acid in the storage tank (5), and stirring the waste acid once to obtain waste acid neutralization liquid;
Step four: after the storage tank (5) is separated from the first connecting mechanism (4), the storage tank is moved to the lower side of the adding tank (11) and is assembled and communicated with the second connecting mechanism (12), the adding tank (11) conveys the phenolate oil into the storage tank (5) through the second connecting mechanism (12) to obtain mixed liquid, and then the adding tank (11) is separated from the storage tank (5);
Step five: starting a driving mechanism (14), stirring the mixed solution for the second time through a stirring structure (15), then moving a storage tank (5) to a standing area through a driving base (2), and obtaining layered ammonium sulfate mother liquor and phenol oil after the mixed solution stands;
step six: based on the layering height of the ammonium sulfate mother liquor and the phenol oil, a first air cylinder (7) in the storage tank (5) is started, the height of a first partition plate (13) is adjusted, the first partition plate (13) is started finally, the ammonium sulfate mother liquor and the phenol oil are separated, and finally a second set of boxes (8) in the storage tank (5) are separated from the first set of boxes (6).
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| CN202310235359.6A CN116101983B (en) | 2023-03-13 | 2023-03-13 | Process and device for recycling industrial waste sulfuric acid |
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| CN202310235359.6A CN116101983B (en) | 2023-03-13 | 2023-03-13 | Process and device for recycling industrial waste sulfuric acid |
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| CN116101983A CN116101983A (en) | 2023-05-12 |
| CN116101983B true CN116101983B (en) | 2024-04-23 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB515374A (en) * | 1938-05-30 | 1939-12-04 | Geoffrey Ogden | Improvements in and relating to the manufacture of ammonium sulphate |
| CN1528678A (en) * | 2003-10-08 | 2004-09-15 | 山西焦化股份有限公司 | Method for treating waste acid from refining benzene for coking plant |
| CN110963510A (en) * | 2020-01-13 | 2020-04-07 | 山东齐创石化工程有限公司 | Recovery processing device and process for waste sulfuric acid |
-
2023
- 2023-03-13 CN CN202310235359.6A patent/CN116101983B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB515374A (en) * | 1938-05-30 | 1939-12-04 | Geoffrey Ogden | Improvements in and relating to the manufacture of ammonium sulphate |
| CN1528678A (en) * | 2003-10-08 | 2004-09-15 | 山西焦化股份有限公司 | Method for treating waste acid from refining benzene for coking plant |
| CN110963510A (en) * | 2020-01-13 | 2020-04-07 | 山东齐创石化工程有限公司 | Recovery processing device and process for waste sulfuric acid |
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| CN116101983A (en) | 2023-05-12 |
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Denomination of invention: A process and device for industrial waste sulfuric acid recycling and regeneration Granted publication date: 20240423 Pledgee: Jiangsu Yangzhou Rural Commercial Bank Co.,Ltd. Shugang Slender West Lake Sub branch Pledgor: JIANGSU QING FENG PROJECT GROUP CO.,LTD. Registration number: Y2024980022504 |
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